Titan part 9871218 is an O-Ring used to create a leak‑tight seal between components in compatible airless sprayers. It is commonly found in fluid sections, manifolds, pump assemblies, and hose connections. Replacing a dried, cracked, or compressed O‑ring restores proper sealing, prevents fluid leaks, and maintains system pressure.
| Part Number | 9871218 |
|---|---|
| Part Description | O-Ring |
| Brand | Titan |
| Fits | Select Advantage, GPX, Helix, and Impact models (see long description) |
| Condition | New |
The Titan 9871218 O-Ring is a genuine OEM sealing component used in various fluid passages of compatible airless sprayers. It provides a reliable barrier against high‑pressure paint and solvents, ensuring that connections remain leak‑free and system pressure is maintained. This O‑ring is typically installed in pump manifolds, filter housings, fluid sections, and hose connections.
Over time, O‑rings can harden, crack, or take a permanent set due to chemical exposure, heat, and compression. A failing O‑ring may cause external leaks, pressure loss, air ingestion, or erratic spray performance. Replacing it with a fresh 9871218 O‑ring restores a positive seal and helps prevent more extensive fluid‑section damage.
| Leak prevention | Seals joints between components to stop fluid from escaping |
|---|---|
| Pressure retention | Helps maintain system pressure for consistent spraying |
| Contaminant exclusion | Prevents dirt and air from entering the fluid path |
| Visible leaks | Paint or fluid seeping from a sealed connection |
|---|---|
| Hardened or brittle | O‑ring has lost flexibility and no longer compresses properly |
| Flattened or cut | Permanent deformation or nicks that prevent sealing |
| Spray surging | Air being drawn into the system due to a faulty seal |
Titan part 9871218 is compatible with the following Advantage, GPX, Helix, and Impact airless sprayer models. Always confirm fitment using the correct parts diagram for your exact model and revision.
| Compatible Model | Component |
|---|---|
| Advantage 600 | O-Ring |
| GPX 130 | O-Ring |
| Helix FR | O-Ring |
| Helix VR | O-Ring |
| Impact 840 I | O-Ring |
| Impact 840 IA | O-Ring |
| Impact 1040 | O-Ring |
| Impact 1140 I | O-Ring |
| Impact 1140 IA | O-Ring |
| Impact 1140 | O-Ring |
| Impact 1640 | O-Ring |
| Impact 740 | O-Ring |
| Impact 840 | O-Ring |
Table scrolls — all compatible models listed
When replacing O‑rings, these associated components are often inspected or replaced at the same time.
A clogged filter can increase pressure and stress seals; clean or replace as needed.
If the pump is being rebuilt, consider a full seal kit for the fluid section.
Inspect the mating hardware for wear or damage that could affect the seal.
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